Boil problems

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Boil problems

Unread postby leosardinha » Mon Mar 17, 2014 12:40 pm

I´ve made my first brew since I got home from Finland and brought my BM.

I got a 50L braumeister.

I replaced the EU plug to a 20A Brazilian plug and plugged it to a 20A socket.

Aside of forgetting to put the plate filters before the mash in(they should have a message to remember it), the mash went smothly, sparged and started the the boil.

It climbed in a ok time from 78C(Mash out Temp) until 96C-97, but it never got higher than that...

With this temperature I had a very gentle boil, but as I had set the boil temp to 102C, the boil counter never started and after 30 minutes I decided to abort the program and set it to manual at 102C.

In the manual program it also never got higher than 97C but I followed through with the boil and the hops in that temp.

It was a warm day, about 30C and my brewhouse is indoors so there was no wind blowing in my BM.

Does anyone know what could be the issue?

PS: I found also surprising because I was using the short malt pipe, so if it wasnt capable of boiling 25L who knows if it will be capable of boil 50+ liters.
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RE: Boil problems

Unread postby Dicko » Mon Mar 17, 2014 1:05 pm

I had a similar problem when I first got my 20l model and the supplier contacted Speidel and replaced my control box but only after they insisted on replacing the temp sensor first, which by the way, didn't solve the problem.
Mine now shows 99 deg when boiling when set on 102 deg and works without a problem.:cheers:
The worst thing that can happen if I die is that my wife will sell all my brewing equipment for what I told her I paid for it
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RE: Boil problems

Unread postby leosardinha » Mon Mar 17, 2014 2:42 pm

I am afraid if I have to do the same, mine was bought in Finland and I am living in Brazil currently with no plans to go back.

I did a test brew over there and I had no problems with the Boil.

But Helsinki is at sea level and now I am about 750-800m above sea level.

That would justify a boil at 97C, but I find really odd this equipment having trouble to reach at least 98C which it never reached.
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RE: Boil problems

Unread postby Twonky » Mon Mar 17, 2014 7:16 pm

Hi leosardinha,

leosardinha wrote:I am about 750-800m above sea level. That would justify a boil at 97C

That was the first thing I thought when I read your post, what is your elevation....

The problem with altitude is that when a liquid reaches boiling temperature it will not rise above that when extra heat is applied...

This makes preparation of food dificult at high altitudes, so I expect it could also impact on hop isomerisation...? who knows?

leosardinha wrote:I did a test brew over there and I had no problems with the Boil.

That would indicate the BM is not faulty...

The normal solution with food would be to use a pressure cooker... bit I'm not sure if making your BM pressure tight is the best solution ;-)

Maybe send a mail to Speidel explaining the problem (if it is a problem?)
I noticed an article in BYO, I do not have a subscripton, but the title would suggest it is no prob... just a challenge ;-)

High Elevation Brewing
Code: Select all
High Elevation Brewing
Author:  Glenn BurnSilver Issue: December 2004
At high altitudes, water boils at a lower temperature. How does that affect mile-high homebrewers?
Read this article and find out. Plus: a high-altitude recipe from a New Mexican brewery at 7,000 ft.


Let us know how it works out.

Cheers
:cheers:
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RE: Boil problems

Unread postby swiggingpig » Mon Mar 17, 2014 7:16 pm

According to this calculator the boiling point of water at that altitude is a little over 97 C so the BM or anything else for that matter cannot get the temperature any higher.

Edit: Twonky was quicker on the 'post' button than me by 4 seconds :P
Last edited by swiggingpig on Mon Mar 17, 2014 7:19 pm, edited 1 time in total.
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RE: Boil problems

Unread postby leosardinha » Mon Mar 17, 2014 8:34 pm

Twonky and Swiggingpig,

Thanks for the replies, I also checked with some people who have the BM at my city and they have the same.

The max temp gets only to 97C.

I also contacted Speidel and they instructed me to set boil temp to 99C-100C(T) because the program has a default that as soon as the temp gets T -4C the boil timer starts.

And as I had set my boil temp to 102C the temp never got to T -4C.

So that should to the trick!

Thanks again!
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RE: Boil problems

Unread postby cpa4ny » Mon Mar 17, 2014 11:58 pm

Leosardinha - do you have the insulating jacket for the BM?

That may help as well.

I wrap my BM with a beach towel, even that helps with the boil and I also live in a 27C-30C climate year-round.
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RE: Boil problems

Unread postby leosardinha » Tue Mar 18, 2014 2:31 am

Cpa4ny,

No I don't, I think I will buy a camping mat to "fabricate" one and test out.

I also thought about buying the cooper or SS hood...

But the local Speidel dealer has some outrageous prices here...

Thats why I bought mine in Finland.. Brazilian import tax rates are pretty high but even though it does not justify these prices:

50L BM = 12 KBRL = 4 KEUR(Double of what I paid)
Thermo jacket = 1 KBRL = 333 EUR
Copper hood = 2 KBRL = 666 EUR

tha exchange rate is a little over than that but anyways, just to get an idea...
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RE: Boil problems

Unread postby cpa4ny » Tue Mar 18, 2014 2:54 am

Ouch - these prices are brutal indeed...

Seems like home fabrication may be the way to go.

A number of forum participants had good-looking and practical insulation jackets made from yoga & camping mats.
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RE: Boil problems

Unread postby niels » Tue Mar 18, 2014 7:59 am

leosardinha wrote:Cpa4ny,

No I don't, I think I will buy a camping mat to "fabricate" one and test out.

I also thought about buying the cooper or SS hood...

But the local Speidel dealer has some outrageous prices here...

Thats why I bought mine in Finland.. Brazilian import tax rates are pretty high but even though it does not justify these prices:

50L BM = 12 KBRL = 4 KEUR(Double of what I paid)
Thermo jacket = 1 KBRL = 333 EUR
Copper hood = 2 KBRL = 666 EUR

tha exchange rate is a little over than that but anyways, just to get an idea...

For 666 EUR I will bring the hood to Brazil ;)

That are outragous prices, indeed! Probably the importer is targeting the very wealthy Brazilians.

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RE: Boil problems

Unread postby leosardinha » Tue Mar 18, 2014 3:29 pm

I am just trying to find what would be the ideal thickness of the mat, I have found them ranging from 0,6 to 1,2 mm and made of EVA.

The import tax takes a big part of this ammount because it is about 50%.

The Braumeister is not the first option for an eletric single vessel equipment here, there is some national competitors who also have some clones for about 1/2 of the price.
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RE: Boil problems

Unread postby Twonky » Tue Mar 18, 2014 6:25 pm

swiggingpig wrote:Edit: Twonky was quicker on the 'post' button than me by 4 seconds :P


:P

@leosardinha: here you can also find reflective insulation foil that can be placed behind a central heating radiator. I use to use that as insulation on my Weck.... works like a charm and is also shiny ;-)

:cheers:
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RE: Boil problems

Unread postby leosardinha » Wed Mar 19, 2014 1:33 pm

I found one camping mat made of EVA which is also reflective... it measures 180cm x 50cm x 1cm...

It might not cover all the way to the top, but I do mostly 25 Liters so I guess it is enough...

I paid 20 BRL, about 6 euros hahaha
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